Q. In $G_{1}$-phase of cell cycle, what would be the change in DNA content of the cell?
A) DNA content increases to double
B) DNA content gets reduced
C) Four fold increase of DNA content
D) No change in DNA content
Explanation
$G_{1}$-phase corresponds to the interval between mitosis and initiation of DNA replication. During $G_{1}$-phase, the cell is metabolically active and continuously grows but do not replicate its DNA
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.